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ZPL II Commands for RFID
^RI
100
58978L-008 Rev. A RFID Programming Guide 11/14/2008
^RI
Get RFID Tag ID
Description Use this command to get the unique serial number of the tag and return it in
hexadecimal format. The data can be sent back to the host via the
^HV command.
For Gen 2 tag types, this command will return the 32-bit tag ID (TID) for the tag. If your
Gen 2 tag supports TID data beyond 32 bits, see ^RF on page 96 to access the TID memory
bank.
Format ^RI#,s,r,m
This table identifies the parameters for this format.
Important • This command is not supported by all printers or firmware. See Printer and
Firmware Compatibility on page 82 for the list of printers and firmware with which you can
use this command.
Parameters Details
# = number to be
assigned to the field
Accepted values: 0 to 9999
Default value: 0
s = specify data order
Note • This parameter applies only to the R110Xi HF
and R2844-Z printers.
Accepted values: Accepted Values:
0=Most significant byte first for Tag*It and PicoTag.
Least significant byte first for I*code and
ISO15693.
1=Reverse the data order
Default value: 0
r = number of retries
Accepted values: 0 to 10
Default value: 0
m = motion
Accepted values:
0 = Feed label after writing
1 = No Feed after writing (other ZPL commands may
cause a feed)
Default value: 0
Example • This example reads a tag ID, prints it on a label, and sends string
Tag ID:xxxxxxxx to the host. The data read will go into the ^FN0 location of the
format. The printer will retry the command five times, if necessary.
^XA
^FO20,120^A0N,60^FN0^FS
^RI0,,5^FS
^HV0,,Tag ID:^FS
^XZ